/Engine/Plugins/FX/Niagara/Source/NiagaraEditor/Public/NiagaraParameterMapHistory.h
typedef [TTuple](API\Runtime\Core\Misc\TTuple)< [TObjectKey](API\Runtime\CoreUObject\UObject\TObjectKey)< [UNiagaraGraph](API\Plugins\NiagaraEditor\UNiagaraGraph) >, [FGuid](API\Runtime\Core\Misc\FGuid) > FGraphKey